Cross-site scripting in Moodle - CVE-2014-3550
Published: July 29, 2014 / Updated: January 16, 2023
Vulnerability identifier: #VU41447
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-3550
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in admin/tool/task/scheduledtasks.php in Moodle 2.7.x before 2.7.1 when processing vectors that trigger a crafted (1) error or (2) success message for a scheduled task. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2014-3550
Install update from vendor's website.
Moodle - update to 2.7.1
moodle - update to 2.4.11-1.el6
moodle - update to 2.4.11-1.el6